<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #main {
            width: 700px;
            height: 300px;
            border: 1px solid #ccc;
        }
    </style>
</head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/echarts/5.4.3/echarts.min.js"></script>

<body>
    <div id="main"></div>
</body>
<script>
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'));
    // 绘制图表
    let options = {
        title: {
            text: 'ECharts 入门示例'
        },
        tooltip: {
            show: true,
            trigger: 'axis',
        },
        axisPointer: {
            lineStyle: '#bbb',
            type: 'solid',
            width: 3
        },
        xAxis: {
            data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
        },
        yAxis: {},
        series: [
            {
                name: '销量',
                type: 'bar',
                emphasis: {
                    itemStyle: {
                        color: 'orange',
                        borderWidth: 0,
                    },
                },
                data: [5, 20, 36, 10, 10, 20]
            }
        ]
    }

    // let options = {
    //     tooltip: {
    //         show: true,
    //         trigger: 'item',
    //     },

    //     series: [
    //         {
    //             name: 'Access From',
    //             type: 'pie',
    //             radius: ['40%', '70%'],
    //             avoidLabelOverlap: false,
    //             itemStyle: {
    //                 borderRadius: 10,
    //                 borderColor: '#fff',
    //                 borderWidth: 2
    //             },

    //             emphasis: {
    //                 label: {
    //                     show: true,
    //                     fontSize: 40,
    //                     fontWeight: 'bold'
    //                 }
    //             },
    //             labelLine: {
    //                 show: false
    //             },
    //             data: [
    //                 { value: 1048, name: 'Search Engine' },
    //                 { value: 735, name: 'Direct' },
    //                 { value: 580, name: 'Email' },
    //                 { value: 484, name: 'Union Ads' },
    //                 { value: 300, name: 'Video Ads' }
    //             ]
    //         }
    //     ]
    // }

    myChart.setOption(options);

    let currentIndex = -1; // 初始值为-1，表示未开始轮播
    let timer = null;
    // 切换tooltip
    function switchTooltip(myChart) {
        // 取消之前高亮的图形
        myChart.dispatchAction({
            type: 'downplay',
            seriesIndex: 0,
            dataIndex: currentIndex,
        });
        currentIndex = (currentIndex + 1) % options.series[0].data.length;
        // 高亮当前图形
        myChart.dispatchAction({
            type: 'highlight',
            seriesIndex: 0,
            dataIndex: currentIndex,
        });
        // 显示tooltip
        myChart.dispatchAction({
            type: 'showTip',
            seriesIndex: 0,
            dataIndex: currentIndex,
        });
    }

    function startTooltipLoop(myChart) {
        timer = setInterval(() => switchTooltip(myChart), 2000);
    }

    function closeSwitchTooltip() {
        clearInterval(timer);
        timer = undefined;

    }

    // 鼠标悬浮，停止轮播
    myChart.on('mousemove', function () {
        closeSwitchTooltip();
    });

    // 鼠标离开，继续轮播
    myChart.on('mouseout', function () {
        startTooltipLoop(myChart);
    });




    startTooltipLoop(myChart);

</script>

</html>